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Marquise|Natural|GIA

1.50ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 1549494456

Certificate GIA 1549494456

Diamond specifications and retailer prices

From €10,304 EUR
$11,557 USD
As of November 2, 2026
Save €7,509 EUR (42%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €17,813 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1549494456. Listed at 14 retailers as of November 1, 2026, with prices from €10,304 to €17,813, a €7,509 spread on the same certified stone. MOH London lists it at €17,813. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1549494456
Dimensions11.44 × 5.88 × 3.74 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Cert comments
Pinpoints are not shown.
Top View
11.44 mm5.88 mm1.50 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1549494456
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €17,813 EUR|Low: €10,187 EUR|High: €18,029 EUR|Avg: €13,209 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6€10,304 EUR
Retailer 4€10,930 EUR
Retailer 5€12,167 EUR
Retailer 3€12,296 EUR
Retailer 8€12,356 EUR
Retailer 10€12,832 EUR
Retailer 9€12,918 EUR
Retailer 2€14,367 EUR
Retailer 7€16,158 EUR
MOH London€17,813 EUR

43 data points across 10 retailers

14 retailers€10,304 EUR to €17,813 EUR

B+
Cheapest Retailer
-
€10,304 EUR
$11,557 USD
B+
Retailer 2
-
€10,687 EUR
$11,987 USD
View
B+
Retailer 3
-
€10,851 EUR
A$18,723 AUD
View
B+
Retailer 4
-
€10,930 EUR
$12,259 USD
View
Final sale: no returns
B+
Retailer 5
-
€11,027 EUR
$12,367 USD
View
B+
Retailer 6
-
€12,167 EUR
$13,646 USD
View
B+
Retailer 7
-
€12,296 EUR
£10,859 GBP
View
B+
Retailer 8
-
€12,356 EUR
$13,859 USD
View
B+
Retailer 9
-
€12,832 EUR
$14,392 USD
View
B
Retailer 10
-
€12,918 EUR
$14,489 USD
View
B
Retailer 11
-
€13,516 EUR
$15,159 USD
View
B
Retailer 12
-
€14,367 EUR
View
B
Retailer 13
-
€16,158 EUR
$18,123 USD
View
Most Expensive
B
MOH London
4652BB7B6 · Nov 1
€17,813 EUR
£15,732 GBP
View
13 more retailers have this diamond
Prices start from €10,304 EURSave up to €7,509 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
1.50ct Marquise
€10,304 EUR